From 8e528fd7bf2e2bd1e20c7e7de5eefb26bf6b19d9 Mon Sep 17 00:00:00 2001
From: Aleksander Machniak <alec@alec.pl>
Date: Wed, 23 May 2012 14:09:57 -0400
Subject: [PATCH] hide_blockquote - a new plugin for hiding citation blocks
---
program/include/rcube_shared.inc | 580 ++++++++++++++++++++++++++++-----------------------------
1 files changed, 286 insertions(+), 294 deletions(-)
diff --git a/program/include/rcube_shared.inc b/program/include/rcube_shared.inc
index 8a81811..8f5f073 100644
--- a/program/include/rcube_shared.inc
+++ b/program/include/rcube_shared.inc
@@ -4,9 +4,12 @@
+-----------------------------------------------------------------------+
| rcube_shared.inc |
| |
- | This file is part of the RoundCube PHP suite |
- | Copyright (C) 2005-2007, RoundCube Dev. - Switzerland |
- | Licensed under the GNU GPL |
+ | This file is part of the Roundcube PHP suite |
+ | Copyright (C) 2005-2007, The Roundcube Dev Team |
+ | |
+ | Licensed under the GNU General Public License version 3 or |
+ | any later version with exceptions for skins & plugins. |
+ | See the README file for a full license statement. |
| |
| CONTENTS: |
| Shared functions and classes used in PHP projects |
@@ -21,8 +24,8 @@
/**
- * RoundCube shared functions
- *
+ * Roundcube shared functions
+ *
* @package Core
*/
@@ -32,18 +35,23 @@
*/
function send_nocacheing_headers()
{
+ global $OUTPUT;
+
if (headers_sent())
return;
header("Expires: ".gmdate("D, d M Y H:i:s")." GMT");
header("Last-Modified: ".gmdate("D, d M Y H:i:s")." GMT");
- header("Cache-Control: private, no-store, no-cache, must-revalidate, post-check=0, pre-check=0");
- header("Pragma: no-cache");
-
+ // Request browser to disable DNS prefetching (CVE-2010-0464)
+ header("X-DNS-Prefetch-Control: off");
+
// We need to set the following headers to make downloads work using IE in HTTPS mode.
- if (isset($_SERVER['HTTPS'])) {
- header('Pragma: ');
- header('Cache-Control: ');
+ if ($OUTPUT->browser->ie && rcube_https_check()) {
+ header('Pragma: private');
+ header("Cache-Control: private, must-revalidate");
+ } else {
+ header("Cache-Control: private, no-cache, must-revalidate, post-check=0, pre-check=0");
+ header("Pragma: no-cache");
}
}
@@ -58,119 +66,9 @@
if (headers_sent())
return;
- header("Expires: ".gmdate("D, d M Y H:i:s", mktime()+$offset)." GMT");
+ header("Expires: ".gmdate("D, d M Y H:i:s", time()+$offset)." GMT");
header("Cache-Control: max-age=$offset");
header("Pragma: ");
-}
-
-
-/**
- * Check request for If-Modified-Since and send an according response.
- * This will terminate the current script if headers match the given values
- *
- * @param int Modified date as unix timestamp
- * @param string Etag value for caching
- */
-function send_modified_header($mdate, $etag=null, $skip_check=false)
-{
- if (headers_sent())
- return;
-
- $iscached = false;
- $etag = $etag ? "\"$etag\"" : null;
-
- if (!$skip_check)
- {
- if ($_SERVER['HTTP_IF_MODIFIED_SINCE'] && strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) >= $mdate)
- $iscached = true;
-
- if ($etag)
- $iscached = ($_SERVER['HTTP_IF_NONE_MATCH'] == $etag);
- }
-
- if ($iscached)
- header("HTTP/1.x 304 Not Modified");
- else
- header("Last-Modified: ".gmdate("D, d M Y H:i:s", $mdate)." GMT");
-
- header("Cache-Control: max-age=0");
- header("Expires: ");
- header("Pragma: ");
-
- if ($etag)
- header("Etag: $etag");
-
- if ($iscached)
- {
- ob_end_clean();
- exit;
- }
-}
-
-
-/**
- * Convert a variable into a javascript object notation
- *
- * @param mixed Input value
- * @return string Serialized JSON string
- */
-function json_serialize($var)
-{
- if (is_object($var))
- $var = get_object_vars($var);
-
- if (is_array($var))
- {
- // empty array
- if (!sizeof($var))
- return '[]';
- else
- {
- $keys_arr = array_keys($var);
- $is_assoc = $have_numeric = 0;
-
- for ($i=0; $i<sizeof($keys_arr); ++$i)
- {
- if (is_numeric($keys_arr[$i]))
- $have_numeric = 1;
- if (!is_numeric($keys_arr[$i]) || $keys_arr[$i] != $i)
- $is_assoc = 1;
- if ($is_assoc && $have_numeric)
- break;
- }
-
- $brackets = $is_assoc ? '{}' : '[]';
- $pairs = array();
-
- foreach ($var as $key => $value)
- {
- // enclose key with quotes if it is not variable-name conform
- if (!ereg("^[_a-zA-Z]{1}[_a-zA-Z0-9]*$", $key) /* || is_js_reserved_word($key) */)
- $key = "'$key'";
-
- $pairs[] = sprintf("%s%s", $is_assoc ? "$key:" : '', json_serialize($value));
- }
-
- return $brackets{0} . implode(',', $pairs) . $brackets{1};
- }
- }
- else if (is_numeric($var) && strval(intval($var)) === strval($var))
- return $var;
- else if (is_bool($var))
- return $var ? '1' : '0';
- else
- return "'".JQ($var)."'";
-
-}
-
-/**
- * Function to convert an array to a javascript array
- * Actually an alias function for json_serialize()
- * @deprecated
- */
-function array2js($arr, $type='')
-{
- return json_serialize($arr);
}
@@ -183,10 +81,13 @@
*/
function in_array_nocase($needle, $haystack)
{
- foreach ($haystack as $value)
- if (strtolower($needle)===strtolower($value))
- return true;
-
+ $needle = mb_strtolower($needle);
+ foreach ((array)$haystack as $value) {
+ if ($needle === mb_strtolower($value)) {
+ return true;
+ }
+ }
+
return false;
}
@@ -200,7 +101,7 @@
function get_boolean($str)
{
$str = strtolower($str);
- if(in_array($str, array('false', '0', 'no', 'nein', ''), TRUE))
+ if (in_array($str, array('false', '0', 'no', 'off', 'nein', ''), TRUE))
return FALSE;
else
return TRUE;
@@ -211,33 +112,36 @@
* Parse a human readable string for a number of bytes
*
* @param string Input string
- * @return int Number of bytes
+ * @return float Number of bytes
*/
function parse_bytes($str)
{
if (is_numeric($str))
- return intval($str);
-
- if (preg_match('/([0-9]+)([a-z])/i', $str, $regs))
+ return floatval($str);
+
+ if (preg_match('/([0-9\.]+)\s*([a-z]*)/i', $str, $regs))
{
$bytes = floatval($regs[1]);
switch (strtolower($regs[2]))
{
case 'g':
+ case 'gb':
$bytes *= 1073741824;
break;
case 'm':
+ case 'mb':
$bytes *= 1048576;
break;
case 'k':
+ case 'kb':
$bytes *= 1024;
break;
}
}
- return intval($bytes);
+ return floatval($bytes);
}
-
+
/**
* Create a human readable string for a number of bytes
*
@@ -246,17 +150,17 @@
*/
function show_bytes($bytes)
{
- if ($bytes > 1073741824)
+ if ($bytes >= 1073741824)
{
$gb = $bytes/1073741824;
$str = sprintf($gb>=10 ? "%d " : "%.1f ", $gb) . rcube_label('GB');
}
- else if ($bytes > 1048576)
+ else if ($bytes >= 1048576)
{
$mb = $bytes/1048576;
$str = sprintf($mb>=10 ? "%d " : "%.1f ", $mb) . rcube_label('MB');
}
- else if ($bytes > 1024)
+ else if ($bytes >= 1024)
$str = sprintf("%d ", round($bytes/1024)) . rcube_label('KB');
else
$str = sprintf('%d ', $bytes) . rcube_label('B');
@@ -264,109 +168,56 @@
return $str;
}
-
/**
- * Convert paths like ../xxx to an absolute path using a base url
- *
- * @param string Relative path
- * @param string Base URL
- * @return string Absolute URL
+ * Wrapper function for wordwrap
*/
-function make_absolute_url($path, $base_url)
+function rc_wordwrap($string, $width=75, $break="\n", $cut=false)
{
- $host_url = $base_url;
- $abs_path = $path;
-
- // check if path is an absolute URL
- if (preg_match('/^[fhtps]+:\/\//', $path))
- return $path;
+ $para = explode($break, $string);
+ $string = '';
+ while (count($para)) {
+ $line = array_shift($para);
+ if ($line[0] == '>') {
+ $string .= $line.$break;
+ continue;
+ }
+ $list = explode(' ', $line);
+ $len = 0;
+ while (count($list)) {
+ $line = array_shift($list);
+ $l = mb_strlen($line);
+ $newlen = $len + $l + ($len ? 1 : 0);
- // cut base_url to the last directory
- if (strpos($base_url, '/')>7)
- {
- $host_url = substr($base_url, 0, strpos($base_url, '/'));
- $base_url = substr($base_url, 0, strrpos($base_url, '/'));
- }
-
- // $path is absolute
- if ($path{0}=='/')
- $abs_path = $host_url.$path;
- else
- {
- // strip './' because its the same as ''
- $path = preg_replace('/^\.\//', '', $path);
-
- if (preg_match_all('/\.\.\//', $path, $matches, PREG_SET_ORDER))
- foreach ($matches as $a_match)
- {
- if (strrpos($base_url, '/'))
- $base_url = substr($base_url, 0, strrpos($base_url, '/'));
-
- $path = substr($path, 3);
+ if ($newlen <= $width) {
+ $string .= ($len ? ' ' : '').$line;
+ $len += (1 + $l);
+ } else {
+ if ($l > $width) {
+ if ($cut) {
+ $start = 0;
+ while ($l) {
+ $str = mb_substr($line, $start, $width);
+ $strlen = mb_strlen($str);
+ $string .= ($len ? $break : '').$str;
+ $start += $strlen;
+ $l -= $strlen;
+ $len = $strlen;
+ }
+ } else {
+ $string .= ($len ? $break : '').$line;
+ if (count($list)) $string .= $break;
+ $len = 0;
+ }
+ } else {
+ $string .= $break.$line;
+ $len = $l;
+ }
}
-
- $abs_path = $base_url.'/'.$path;
+ }
+ if (count($para)) $string .= $break;
}
-
- return $abs_path;
+ return $string;
}
-
-
-/**
- * Wrapper function for strlen
- */
-function rc_strlen($str)
-{
- if (function_exists('mb_strlen'))
- return mb_strlen($str);
- else
- return strlen($str);
-}
-
-/**
- * Wrapper function for strtolower
- */
-function rc_strtolower($str)
-{
- if (function_exists('mb_strtolower'))
- return mb_strtolower($str);
- else
- return strtolower($str);
-}
-
-/**
- * Wrapper function for substr
- */
-function rc_substr($str, $start, $len=null)
-{
- if (function_exists('mb_substr'))
- return mb_substr($str, $start, $len);
- else
- return substr($str, $start, $len);
-}
-
-/**
- * Wrapper function for strpos
- */
-function rc_strpos($haystack, $needle, $offset=0)
-{
- if (function_exists('mb_strpos'))
- return mb_strpos($haystack, $needle, $offset);
- else
- return strpos($haystack, $needle, $offset);
-}
-
-/**
- * Wrapper function for strrpos
- */
-function rc_strrpos($haystack, $needle, $offset=0)
-{
- if (function_exists('mb_strrpos'))
- return mb_strrpos($haystack, $needle, $offset);
- else
- return strrpos($haystack, $needle, $offset);
-}
-
/**
* Read a specific HTTP request header
@@ -389,30 +240,6 @@
}
return $hdrs[$key];
- }
-
-
-/**
- * Replace the middle part of a string with ...
- * if it is longer than the allowed length
- *
- * @param string Input string
- * @param int Max. length
- * @param string Replace removed chars with this
- * @return string Abbreviated string
- */
-function abbreviate_string($str, $maxlength, $place_holder='...')
-{
- $length = rc_strlen($str);
- $first_part_length = floor($maxlength/2) - rc_strlen($place_holder);
-
- if ($length > $maxlength)
- {
- $second_starting_location = $length - $maxlength + $first_part_length + 1;
- $str = rc_substr($str, 0, $first_part_length) . $place_holder . rc_substr($str, $second_starting_location, $length);
- }
-
- return $str;
}
@@ -432,7 +259,7 @@
{
return preg_replace('/\/$/', '', $str);
}
-
+
/**
* Delete all files within a folder
@@ -462,7 +289,7 @@
* @return int Unix timestamp
*/
function get_offset_time($offset_str, $factor=1)
- {
+{
if (preg_match('/^([0-9]+)\s*([smhdw])/i', $offset_str, $regs))
{
$amount = (int)$regs[1];
@@ -473,8 +300,8 @@
$amount = (int)$offset_str;
$unit = 's';
}
-
- $ts = mktime();
+
+ $ts = time();
switch ($unit)
{
case 'w':
@@ -494,37 +321,84 @@
/**
+ * Truncate string if it is longer than the allowed length
+ * Replace the middle or the ending part of a string with a placeholder
+ *
+ * @param string Input string
+ * @param int Max. length
+ * @param string Replace removed chars with this
+ * @param bool Set to True if string should be truncated from the end
+ * @return string Abbreviated string
+ */
+function abbreviate_string($str, $maxlength, $place_holder='...', $ending=false)
+{
+ $length = mb_strlen($str);
+
+ if ($length > $maxlength)
+ {
+ if ($ending)
+ return mb_substr($str, 0, $maxlength) . $place_holder;
+
+ $place_holder_length = mb_strlen($place_holder);
+ $first_part_length = floor(($maxlength - $place_holder_length)/2);
+ $second_starting_location = $length - $maxlength + $first_part_length + $place_holder_length;
+ $str = mb_substr($str, 0, $first_part_length) . $place_holder . mb_substr($str, $second_starting_location);
+ }
+
+ return $str;
+}
+
+
+/**
* A method to guess the mime_type of an attachment.
*
- * @param string $path Path to the file.
- * @param string $failover Mime type supplied for failover.
+ * @param string $path Path to the file.
+ * @param string $name File name (with suffix)
+ * @param string $failover Mime type supplied for failover.
+ * @param string $is_stream Set to True if $path contains file body
*
* @return string
* @author Till Klampaeckel <till@php.net>
* @see http://de2.php.net/manual/en/ref.fileinfo.php
* @see http://de2.php.net/mime_content_type
*/
-function rc_mime_content_type($path, $failover = 'application/octet-stream')
+function rc_mime_content_type($path, $name, $failover = 'application/octet-stream', $is_stream=false)
{
$mime_type = null;
$mime_magic = rcmail::get_instance()->config->get('mime_magic');
+ $mime_ext = @include(RCMAIL_CONFIG_DIR . '/mimetypes.php');
- if (!extension_loaded('fileinfo')) {
- @dl('fileinfo.' . PHP_SHLIB_SUFFIX);
+ // use file name suffix with hard-coded mime-type map
+ if (is_array($mime_ext) && $name) {
+ if ($suffix = substr($name, strrpos($name, '.')+1)) {
+ $mime_type = $mime_ext[strtolower($suffix)];
+ }
}
- if (function_exists('finfo_open')) {
+ // try fileinfo extension if available
+ if (!$mime_type && function_exists('finfo_open')) {
if ($finfo = finfo_open(FILEINFO_MIME, $mime_magic)) {
- $mime_type = finfo_file($finfo, $path);
+ if ($is_stream)
+ $mime_type = finfo_buffer($finfo, $path);
+ else
+ $mime_type = finfo_file($finfo, $path);
finfo_close($finfo);
}
}
- if (!$mime_type && function_exists('mime_content_type')) {
- $mime_type = mime_content_type($path);
+
+ // try PHP's mime_content_type
+ if (!$mime_type && !$is_stream && function_exists('mime_content_type')) {
+ $mime_type = @mime_content_type($path);
}
-
+
+ // fall back to user-submitted string
if (!$mime_type) {
$mime_type = $failover;
+ }
+ else {
+ // Sometimes (PHP-5.3?) content-type contains charset definition,
+ // Remove it (#1487122) also "charset=binary" is useless
+ $mime_type = array_shift(preg_split('/[; ]/', $mime_type));
}
return $mime_type;
@@ -532,33 +406,151 @@
/**
- * A method to guess encoding of a string.
+ * Detect image type of the given binary data by checking magic numbers
*
- * @param string $string String.
- * @param string $failover Default result for failover.
- *
- * @return string
+ * @param string Binary file content
+ * @return string Detected mime-type or jpeg as fallback
*/
-function rc_detect_encoding($string, $failover='')
+function rc_image_content_type($data)
{
- if (!function_exists('mb_detect_encoding')) {
- return $failover;
- }
+ $type = 'jpeg';
+ if (preg_match('/^\x89\x50\x4E\x47/', $data)) $type = 'png';
+ else if (preg_match('/^\x47\x49\x46\x38/', $data)) $type = 'gif';
+ else if (preg_match('/^\x00\x00\x01\x00/', $data)) $type = 'ico';
+// else if (preg_match('/^\xFF\xD8\xFF\xE0/', $data)) $type = 'jpeg';
- // FIXME: the order is important, because sometimes
- // iso string is detected as euc-jp and etc.
- $enc = array(
- 'SJIS', 'BIG5', 'GB2312', 'UTF-8',
- 'ISO-8859-1', 'ISO-8859-2', 'ISO-8859-3', 'ISO-8859-4',
- 'ISO-8859-5', 'ISO-8859-6', 'ISO-8859-7', 'ISO-8859-8', 'ISO-8859-9',
- 'ISO-8859-10', 'ISO-8859-13', 'ISO-8859-14', 'ISO-8859-15', 'ISO-8859-16',
- 'WINDOWS-1252', 'WINDOWS-1251', 'EUC-JP', 'EUC-TW', 'KOI8-R',
- 'ISO-2022-KR', 'ISO-2022-JP'
- );
-
- $result = mb_detect_encoding($string, join(',', $enc));
-
- return $result ? $result : $failover;
+ return 'image/' . $type;
}
-?>
+
+/**
+ * Explode quoted string
+ *
+ * @param string Delimiter expression string for preg_match()
+ * @param string Input string
+ */
+function rcube_explode_quoted_string($delimiter, $string)
+{
+ $result = array();
+ $strlen = strlen($string);
+
+ for ($q=$p=$i=0; $i < $strlen; $i++) {
+ if ($string[$i] == "\"" && $string[$i-1] != "\\") {
+ $q = $q ? false : true;
+ }
+ else if (!$q && preg_match("/$delimiter/", $string[$i])) {
+ $result[] = substr($string, $p, $i - $p);
+ $p = $i + 1;
+ }
+ }
+
+ $result[] = substr($string, $p);
+ return $result;
+}
+
+
+/**
+ * Get all keys from array (recursive)
+ *
+ * @param array Input array
+ * @return array
+ */
+function array_keys_recursive($array)
+{
+ $keys = array();
+
+ if (!empty($array))
+ foreach ($array as $key => $child) {
+ $keys[] = $key;
+ foreach (array_keys_recursive($child) as $val)
+ $keys[] = $val;
+ }
+ return $keys;
+}
+
+
+/**
+ * mbstring replacement functions
+ */
+
+if (!extension_loaded('mbstring'))
+{
+ function mb_strlen($str)
+ {
+ return strlen($str);
+ }
+
+ function mb_strtolower($str)
+ {
+ return strtolower($str);
+ }
+
+ function mb_strtoupper($str)
+ {
+ return strtoupper($str);
+ }
+
+ function mb_substr($str, $start, $len=null)
+ {
+ return substr($str, $start, $len);
+ }
+
+ function mb_strpos($haystack, $needle, $offset=0)
+ {
+ return strpos($haystack, $needle, $offset);
+ }
+
+ function mb_strrpos($haystack, $needle, $offset=0)
+ {
+ return strrpos($haystack, $needle, $offset);
+ }
+}
+
+/**
+ * intl replacement functions
+ */
+
+if (!function_exists('idn_to_utf8'))
+{
+ function idn_to_utf8($domain, $flags=null)
+ {
+ static $idn, $loaded;
+
+ if (!$loaded) {
+ $idn = new Net_IDNA2();
+ $loaded = true;
+ }
+
+ if ($idn && $domain && preg_match('/(^|\.)xn--/i', $domain)) {
+ try {
+ $domain = $idn->decode($domain);
+ }
+ catch (Exception $e) {
+ }
+ }
+ return $domain;
+ }
+}
+
+if (!function_exists('idn_to_ascii'))
+{
+ function idn_to_ascii($domain, $flags=null)
+ {
+ static $idn, $loaded;
+
+ if (!$loaded) {
+ $idn = new Net_IDNA2();
+ $loaded = true;
+ }
+
+ if ($idn && $domain && preg_match('/[^\x20-\x7E]/', $domain)) {
+ try {
+ $domain = $idn->encode($domain);
+ }
+ catch (Exception $e) {
+ }
+ }
+ return $domain;
+ }
+}
+
--
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